Struct ChannelStates 

pub struct ChannelStates {
    pub channels: [ChannelState; 3],
    pub envelope: EnvelopeState,
    pub noise: NoiseState,
    pub mixer_raw: u8,
}

Complete state of all YM2149 channels and generators.

Fields

channels: [ChannelState; 3]

State of channels A, B, C.

envelope: EnvelopeState

Envelope generator state.

noise: NoiseState

Noise generator state.

mixer_raw: u8

Raw mixer register value (for debugging).

Implementations

impl ChannelStates

pub fn from_registers(regs: &[u8; 16]) -> Self

Extract channel states from a YM2149 register dump.

This is the main entry point for visualization. It works with any register dump regardless of the source format (YM, AKS, AY, SNDH).

Arguments

• regs - 16-byte register dump from Ym2149Backend::dump_registers()

Returns

Complete state of all channels and generators.

pub fn from_registers_with_clock(regs: &[u8; 16], master_clock: f32) -> Self

Extract channel states with a custom master clock frequency.

Use this when emulating non-Atari ST systems with different clock rates.

Arguments

• regs - 16-byte register dump
• master_clock - Master clock frequency in Hz

pub fn max_amplitude(&self) -> f32

Get the maximum amplitude across all channels (for VU meter).

pub fn any_envelope_enabled(&self) -> bool

Check if any channel has envelope mode enabled.

pub fn active_channels(&self) -> impl Iterator<Item = (usize, &ChannelState)>

Get channels that are actively producing sound.

A channel is “active” if it has amplitude > 0 and either tone or noise enabled.

Trait Implementations

impl Clone for ChannelStates

fn clone(&self) -> ChannelStates

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ChannelStates

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ChannelStates

fn default() -> ChannelStates

Returns the “default value” for a type.